00603     2200217   4500008004100000001001900041005001900060035002100079040001200100041000800112043000900120082001700129084001700146100002600163245005400189260005000243300003100293440003900324650001000363850001200373280114|||||||||   |   |||   |||| ||   ||BHTDB280120140002820140128161248.463  0012-280114002860  aSBPKHAT  aEng  aa-io0 2[23]a500.69  a500.69 PAR t0 aParker, Bertha Morris00aThe science and his tools /cBertha Morris Parker  aNew York :bRow, Peterson, and Company,c1960  a36 hlm. :bilus. ;c22 cm. 0aThe basic science education series 0aSains  aSBPKHAT